CN202785761U - Electric adsorption and desalting water treating device - Google Patents
Electric adsorption and desalting water treating device Download PDFInfo
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- CN202785761U CN202785761U CN 201220128473 CN201220128473U CN202785761U CN 202785761 U CN202785761 U CN 202785761U CN 201220128473 CN201220128473 CN 201220128473 CN 201220128473 U CN201220128473 U CN 201220128473U CN 202785761 U CN202785761 U CN 202785761U
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Abstract
The utility model provides an electric adsorption and desalting water treating device and belongs to the treatment of water by using an electrochemical separation method. The electric adsorption and desalting water treating device comprises an electric adsorption module (1), a water feeding tank (2), a working pump (3), an acidic water tank (4), an acid adding pump (5), a water production tank (6), a water concentrating tank (7), a regenerating pump A (8), a regenerating pump B (9), a regenerating pump C (10), a middle water tank A (11) and a middle water tank B (12); the connection manner is as follows: the electric adsorption module (1) is directly connected with the water feeding tank (2), the working pump (3), the acid adding pump (5), the water production tank (6), the water concentrating tank (7), the regenerating pump A (8), the regenerating pump B (9), the regenerating pump C (10), a the middle water tank A (11) and the middle water tank B (12) through pipelines; the water feeding tank (2) is connected with the working pump (3) and is connected with the regenerating pump B (9); the acidic water tank (4) is connected with the acid adding pump (5); the middle water tank B (12) is connected with the regenerating pump C (10); and the middle water tank A (11) is connected with the regenerating pump A (8). The water production rate of an electric adsorption and desalting system is more than 75% and the desalting rate is more than 80%.
Description
Technical field
The utility model is a kind of electro-adsorption demineralization water treatment device.Belong to the processing of Electrochemical separation method to water.
Background technology
Waste water, sewage is by processing recycling, not only can the saves valuable water resources, and can significantly reduce sewage discharge, and the physical environment that to protect mankind is depended on for existence, significant for the mankind's life and economic Sustainable development.After trade effluent generally adopts secondary biochemical treatment-filtration-charcoal absorption-reverse-osmosis treated, the flow process of reuse again.In the prior art, for soft, low-corrosiveness, hyposaline oil refining sewerage, the outer draining after can secondary biochemical treatment is up to standard.Direct reuse is done the recirculated cooling water moisturizing after flocculation sediment, filtration and germicidal treatment.But for the higher trade effluent of salts contg, when advanced treatment and reclamation, must remove part or whole inorganic salt almost, could satisfy the requirement of reuse water.
The electro-adsorption demineralization technology requires the characteristics such as wide, contamination resistance is strong, non-secondary pollution to be widely used because it has to water inlet.Electro-adsorption demineralization is as a kind of water technology, and its core is the electro-adsorption module, and electro-adsorption demineralization technique is provided with 2 pack modules, and alternation, regeneration realize producing continuously water.The technical process of each pack module can be divided into 3 processes, is respectively that process and short circuit regenerative process are left standstill in energising working process, discharge.The energising working process is the process of electro-adsorption module energising water flowing absorption, namely electrode applies galvanic while water flowing in module, utilize the potential difference between the electrode to adsorb gradually the zwitterion in the water between the electrode of flowing through, from the work beginning to finishing, the ion content that produces in the water is a process that is then raise gradually by the rapid reduction of height, when product water ions content can not meet the demands, end-of-job.This moment, electrode interior stored a large amount of energies of position, in order to take full advantage of this portion of energy, discharge is set leaves standstill process, this process is that the electrode positive and negative electrode is connected with the positive and negative electrode of another pack module, the recovery part energy, because potential difference, electric energy can be transferred to rapidly on another pack module, the electromotive force of absorption zwitterion reduces rapidly, and the zwitterion that is adsorbed on the electrode is understood desorption in the water of electrode channel.After potential difference drops to a certain degree, enter the short circuit regenerative process, the short circuit regenerative process is with electrode positive and negative electrode short circuit and water flowing, this moment, potential difference also can descend rapidly until 0V, water flowing be for short circuit is left standstill with the short circuit regenerative process in desorption wash away, break away from the electro-adsorption electrode to the ion in the passage, thereby make electrode obtain regeneration.
But electro-adsorption desalination system is in actual motion, and electro-adsorption module desalting efficiency can constantly descend, so that electro-adsorption desalination system is difficult to long-term continuous and steady operation.Therefore the renovation process of exploring the electro-adsorption module is those skilled in the art's research direction always.
Patent of invention CN102010039A thinks that the decline of electro-adsorption module desalting efficiency is because the long-term regeneration of module does not thoroughly cause.But the used former water water yield when improving regeneration effect and just must increase backwash has so just reduced the producing water ratio of system, has contradiction between the two.Its terms of settlement is: use the electro-adsorption demineralization backwashing system that comprises that water unit forms in electro-adsorption module to be regenerated, middle water tank, middle water backwash unit, raw water box, former water backwash unit, the recovery, the method for water step backwash in water backwash step, former water backwash step, the recovery in the employing.Processing step is loaded down with trivial details, the electrode regeneration poor effect.
Patent of invention CN102126772A thinks, it is because electrode lengthens duration of service that electro-adsorption module desalting efficiency descends, and the surface has produced that the acidic-group that has in a large number ion-exchange causes.This kind group has the function of similar ion-exchange, that is: electrode slice is placed the lower solution of pH value, the positively charged ion generation permutoid reaction of hydrogen ion energy and the absorption of electrode surface group in the solution, hydrogen ion is adsorbed by electrode slice, and the cation concn of bulk solution raises; Again electrode slice is inserted the pH value in the neutral salts solution, the hydrogen ion of electrode surface group absorption again can with solution in positively charged ion generation permutoid reaction, positively charged ion is adsorbed by the electrode slice group, the pH value reduction of solution.This behavior shows in the module routine, that is: during work, because electrode slice is anodal aobvious acid, the pH value is lower, and the positively charged ion that adsorbs on the electrode slice group can be exchanged in the original solution by hydrogen ion, and the cation concn of original solution is raise, go out water concentration and raise, affect clearance.And in regenerative process, solution is neutral near the electrode slice, and the positively charged ion in the solution can come back on the electrode slice positively charged ion by the exchange of the hydrogen ion on the electrode slice group, affects regeneration effect.Formed and electro-adsorption module absorption-desorption-contrary process of Adsorption Phase, caused electro-adsorption module adsorption efficiency to descend.Its terms of settlement is to use the system of the electro-adsorption demineralization backwash that comprises that electro-adsorption module to be regenerated, sour water case, pickling short circuit regeneration unit, acid discharge unit, water tank, regeneration flushing unit, drainage cell form, the method for the step of the step of employing pickling regeneration, the step of acid discharge, regeneration flushing, the step backwash of draining.But owing to add the technique Shortcomings of acid regeneration, the electrode regeneration effect is not ideal enough.
Contriver of the present utility model thinks, in the electro-adsorption demineralization water treatment device, the Another reason that electrode adsorption efficient constantly reduces is that the passage in the electro-adsorption module that causes because of the fouling of electro-adsorption module stops up.The reported in literature of relevant this technical problem of solution is also not yet seen.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art, a kind of processing step is simple, to add acid regeneration process reasonable and provide, the electrode regeneration effect is excellent, electro-adsorption module non flouling behaviour, guarantees the electro-adsorption demineralization water treatment device of the long-term continuous and steady operation of electrical adsorption desalting device.
The purpose of this utility model can reach by following measure:
Electro-adsorption demineralization water treatment device of the present utility model is characterized in that comprising electro-adsorption module ⑴, inlet chest ⑵, working barrel ⑶, sour water case ⑷, acid adding pump ⑸ produces water tank ⑹, dense water tank ⑺, regenerative pump A ⑻, regenerative pump B ⑼, regenerative pump C ⑽, intermediate water tank A ⑾, intermediate water tank B ⑿; Specifically the mode of connection at described each parts of electro-adsorption demineralization water treatment device is as follows:
Electro-adsorption module ⑴ and inlet chest ⑵, working barrel ⑶, acid adding pump ⑸, product water tank ⑹, dense water tank ⑺, regenerative pump A ⑻, regenerative pump B ⑼, regenerative pump C ⑽, intermediate water tank A ⑾, intermediate water tank B ⑿ directly connects by pipeline; Inlet chest ⑵ is connected with working barrel ⑶, also is connected with regenerative pump B ⑼; Sour water case ⑷ is connected with acid adding pump ⑸; Intermediate water tank B ⑿ is connected with regenerative pump C ⑽; Intermediate water tank A ⑾ is connected with regenerative pump A ⑻.
Specifically the function at described electro-adsorption demineralization water treatment device is as follows:
The a working process of switching on
1. walkthrough step
Working barrel ⑶ extracts pending water from inlet chest 2 behind electro-adsorption module 1 absorption desalination, and the initial stage that not yet reaches technical indicator is produced water, enters intermediate water tank B 12;
2. adsorb the desalination step
Working barrel ⑶ extracts pending water from inlet chest 2 behind electro-adsorption module 1 absorption desalination, reaches the output water of technical indicator, enters and produces water tank 6;
3. arrange afterwards step
When absorption desalination step when 2. output water quality can not satisfy technical indicator, in the situation that continues water flowing, energising, technical hydrochloric acid is injected electro-adsorption module 1, the water behind the hydrochloric acid is injected in control, just has been full of the electro-adsorption modular system, and till not being exhausted from system; And with the pH value scope control of electro-adsorption modular system between 2.0～6.0; With the injection hydrochloric acid while, output water produces water tank 6 by normally entering, and switches to and enters intermediate water tank B 12; After hydrochloric acid is filled with the electro-adsorption modular system, stop water flowing, cut off the electricity supply, enter discharge and leave standstill technological process.
Process is left standstill in the b discharge
After 3. step is finished, stop water flowing, cut off the electro-adsorption modular power source, one group of electrode positive and negative electrode is connected with the positive and negative electrode of another pack module, 3. in the environment, leave standstill discharge, the recovery part energy in step;
C short circuit regenerative process
With electrode positive and negative electrode short circuit and water flowing, this moment, potential difference also can descend rapidly until 0V, water flowing be for discharge is left standstill with the short circuit regenerative process in the zwitterion flushing of desorption in the aquaporin, shift out the electro-adsorption modular system, thereby make electrode obtain regeneration;
1. primary recycling step
The water that regenerative pump A 8 extracts from intermediate water tank A 11 for after the backwash electro-adsorption module 1, enters dense water tank 7;
2. secondary recycling step
The water that regenerative pump B 9 extracts from inlet chest 2 for after the backwash electro-adsorption module 1, enters intermediate water tank A 11;
3. tertiary recycling step
The water that regenerative pump C 10 extracts from intermediate water tank A 11 after the backwash electro-adsorption module 1, enters inlet chest 2.
Contriver of the present utility model thinks, in the electro-adsorption demineralization water treatment device, the reason that electrode adsorption efficient constantly reduces, except electrode regeneration not exclusively with along with the electrode lengthening of duration of service, the surface has produced to have beyond the acidic-group of ion-exchange in a large number, passage in the electro-adsorption module that the fouling of electro-adsorption module causes stops up, and is another another major reason that can not be ignored that electrode adsorption efficient constantly reduces.
Because electro-adsorption demineralization technique itself is exactly the technique that the zwitterion in the water is removed from water, zwitterion in the energising working process water is adsorbed in the electrostatic double layer of positive and negative electrode, leave standstill process in discharge, because potential difference reduces rapidly, be adsorbed on zwitterion on the positive and negative electrode electrostatic double layer then can desorption in the water of electrode channel, because discharge is left standstill and is needed the regular hour, zwitterion will meet, this moment, local ionic concn can be very high, calcium in water, magnesium cation and carbonate, when hydroxide radical anion reaches finite concentration, the factor of fouling will improve greatly, scale formation is in case occur, passage in the electro-adsorption module will stop up, and system pressure raises, and desalting efficiency will descend rapidly.
Therefore, before technological process is left standstill in discharge, in the situation that continues water flowing, energising, technical hydrochloric acid is injected the electro-adsorption module, leave standstill in technological process and the short circuit reclaiming process process in discharge, be attracted to zwitterion desorption on the electrode in the water of electrode channel, from the electrode calcium ion, magnesium ion and the carbonate of desorption, just can not form the precipitation fouling when hydroxide ion meets, thereby avoided the electro-adsorption module to leave standstill the weak point that the fouling in technological process and the short circuit reclaiming process process causes in discharge.Effectively avoided in the electro-adsorption demineralization water treatment device, the drawback that electrode adsorption efficient constantly reduces has also been avoided the fault because of the system pressure rising of electro-adsorption module fouling initiation.Guarantee for a long time continuous and steady operation of electrical adsorption desalting device.
The purpose of this utility model can also reach by following measure:
Electro-adsorption demineralization water treatment device of the present utility model is characterized in that adopting a regenerative pump 13 among the described short circuit regenerative process c, substitutes regenerative pump A 8, regenerative pump B 9 and regenerative pump C 10, and being embodied as the regeneration of electro-adsorption module by time variable control provides power.
Electro-adsorption demineralization water treatment device of the present utility model is characterized in that described intermediate water tank A 11 or intermediate water tank B 12, by saving wherein any one, or increases in addition intermediate water tank, reduces and increase the regeneration times of electro-adsorption module.
Electro-adsorption demineralization water treatment device of the present utility model, be applicable to sea water desaltination, brackish water desalination are processed and salts contg is higher trade effluent secondary biochemical treatment up to standard after, during as the industrial circulating cooling water reuse, the Demineralized Water Production technological process that need to carry out.
The claimed technical scheme of electro-adsorption demineralization water treatment device of the present utility model has following positively effect compared to existing technology.
1. provide that a kind of processing step is simple, to add acid regeneration process reasonable, the electrode regeneration effect is excellent, electro-adsorption module non flouling behaviour, guarantees the electro-adsorption demineralization water treatment device of the long-term continuous and steady operation of electrical adsorption desalting device.
2. before technological process is left standstill in discharge, in the situation that continues water flowing, energising, technical hydrochloric acid is injected the electro-adsorption module, from the electrode calcium ion, magnesium ion and the carbonate of desorption, just can not form the precipitation fouling when hydroxide ion meets, thereby avoided the electro-adsorption module to leave standstill fouling tendency in technological process and the short circuit reclaiming process process in discharge.
3. effectively avoided in the electro-adsorption demineralization water treatment device, the drawback that electrode adsorption efficient constantly reduces has also been avoided the fault because of the system pressure rising of electro-adsorption module fouling initiation.
4. control pH value in the electro-adsorption module by control acid adding amount, so that electrode module has antiscale, scale removal performance, improved the scope of application of electro-adsorption demineralization technique to treatment sewage total hardness and basicity, widened the Application Areas of electro-adsorption demineralization technique.
5. adopt electro-adsorption demineralization water treatment device of the present utility model, the producing water ratio of electro-adsorption desalination system reaches more than 75%, and the desalination rate reaches more than 80%, guarantees the long-term continuous and steady operation of electrical adsorption desalting device.
Description of drawings
The process flow diagram of Fig. 1 embodiment 1 of the present utility model and embodiment 2
The process flow diagram of Fig. 2 embodiment 3 of the present utility model
The process flow diagram of Fig. 3 embodiment 4 of the present utility model
Among the figure
1-electro-adsorption module, the 2-inlet chest, the 3-working barrel, 4-sour water case, 5-acid adding pump, 6-produces water tank, the dense water tank of 7-, 8-regenerative pump A, 9-regenerative pump B, 10-regenerative pump C, 11-intermediate water tank A, 12-intermediate water tank B, 13-regenerative pump.
Embodiment
The utility model is described in further detail below in conjunction with embodiment:
A kind of electro-adsorption demineralization water treatment device of the present utility model, mode of connection and function in the electro-adsorption demineralization water treatment device are as follows: referring to accompanying drawing 1.
Specifically the mode of connection at described electro-adsorption demineralization water treatment device is as follows:
Electro-adsorption module ⑴ and inlet chest ⑵, working barrel ⑶, acid adding pump ⑸, product water tank ⑹, dense water tank ⑺, regenerative pump A ⑻, regenerative pump B ⑼, regenerative pump C ⑽, intermediate water tank A ⑾, intermediate water tank B ⑿ directly connects by pipeline; Inlet chest ⑵ is connected with working barrel ⑶, also is connected with regenerative pump B ⑼; Sour water case ⑷ is connected with acid adding pump ⑸; Intermediate water tank B ⑿ is connected with regenerative pump C ⑽; Intermediate water tank A ⑾ is connected with regenerative pump A ⑻.
The a working process of switching on
1. walkthrough step
Working barrel ⑶ extracts pending water from inlet chest 2 behind electro-adsorption module 1 absorption desalination, and the initial stage that not yet reaches technical indicator is produced water, enters intermediate water tank B 12;
2. adsorb the desalination step
Working barrel ⑶ extracts pending water from inlet chest 2 behind electro-adsorption module 1 absorption desalination, reaches the output water of technical indicator, enters and produces water tank 6;
3. arrange afterwards step
When absorption desalination step when 2. output water quality can not satisfy technical indicator, in the situation that continues water flowing, energising, technical hydrochloric acid is injected electro-adsorption module 1, the water behind the hydrochloric acid is injected in control, just has been full of the electro-adsorption modular system, and till not being exhausted from system; And with the pH value scope control of electro-adsorption modular system between 2.0～6.0; With the injection hydrochloric acid while, output water produces water tank 6 by normally entering, and switches to and enters intermediate water tank B 12; After hydrochloric acid is filled with the electro-adsorption modular system, stop water flowing, cut off the electricity supply, enter discharge and leave standstill technological process.
Process is left standstill in the b discharge
After 3. step is finished, stop water flowing, cut off the electro-adsorption modular power source, one group of electrode positive and negative electrode is connected with the positive and negative electrode of another pack module, 3. in the environment, leave standstill discharge, the recovery part energy in step;
C short circuit regenerative process
With electrode positive and negative electrode short circuit and water flowing, this moment, potential difference also can descend rapidly until 0V, water flowing be for discharge is left standstill with the short circuit regenerative process in the zwitterion flushing of desorption in the aquaporin, shift out the electro-adsorption modular system, thereby make electrode obtain regeneration;
1. primary recycling step
The water that regenerative pump A 8 extracts from intermediate water tank A 11 for after the backwash electro-adsorption module 1, enters dense water tank 7;
2. secondary recycling step
The water that regenerative pump B 9 extracts from inlet chest 2 for after the backwash electro-adsorption module 1, enters intermediate water tank A 11;
3. tertiary recycling step
The water that regenerative pump C 10 extracts from intermediate water tank A 11 after the backwash electro-adsorption module 1, enters inlet chest 2.The electro-adsorption module has obtained regeneration.
The producing water ratio of electro-adsorption desalination system reaches more than 75%, and the desalination rate reaches more than 80%, guarantees the long-term continuous and steady operation of electrical adsorption desalting device.
According to mode of connection and the function of embodiment 1, referring to accompanying drawing 1
Difference is:
1. saved among the described energising working process a the walkthrough step 1., working barrel ⑶ extracts pending water from inlet chest ⑵ behind electro-adsorption module 1 absorption desalination, output water reaches technical indicator, directly enters to produce water tank 6.
Rear row's step in energising working process a 3. in, when absorption desalination step when 2. output water technical indicator approaches a certain set(ting)value that exceeds standard, in the situation that continues water flowing, energising, technical hydrochloric acid is injected the electro-adsorption module, the water behind the hydrochloric acid is injected in control, just be full of the electro-adsorption modular system, and till not being exhausted from system; And with the pH value scope control of electro-adsorption modular system between 3.0～5.0; With the injection hydrochloric acid while, output water normally enters and produces water tank 6; After hydrochloric acid is filled with the electro-adsorption modular system, stop water flowing, cut off the electricity supply, enter discharge and leave standstill technological process.
The producing water ratio of electro-adsorption desalination system reaches more than 75%, and the desalination rate reaches more than 80%, guarantees the long-term continuous and steady operation of electrical adsorption desalting device.
According to mode of connection and the function of embodiment 1, referring to accompanying drawing 2.
Difference is:
Rear row's step in energising working process a 3. in
When absorption desalination step when 2. output water quality can not satisfy technical indicator, in the situation that continues water flowing, energising, technical hydrochloric acid is injected electro-adsorption module 1, the water behind the hydrochloric acid is injected in control, just has been full of the electro-adsorption modular system, and till not being exhausted from system; And with the pH value scope control of electro-adsorption modular system between 4.5～6.0; With the injection hydrochloric acid while, output water produces water tank 6 by normally entering, and switches to and enters intermediate water tank B 12; After hydrochloric acid is filled with the electro-adsorption modular system, stop water flowing, cut off the electricity supply, enter discharge and leave standstill technological process.
2. among the described short circuit regenerative process c, adopt a regenerative pump 13, substitute regenerative pump A 8, regenerative pump B 9 and regenerative pump C 10, being embodied as the regeneration of electro-adsorption module by time variable control provides power.
C short circuit regenerative process
1. primary recycling step
By time variable control, the water that regenerative pump 13 extracts from intermediate water tank A 11 for after the backwash electro-adsorption module 1, enters dense water tank 7;
2. secondary recycling step
By time variable control, the water that regenerative pump 13 extracts from inlet chest 2 for after the backwash electro-adsorption module 1, enters intermediate water tank A 11;
3. tertiary recycling step
By time variable control, the water that regenerative pump 13 extracts from intermediate water tank A11 after the backwash electro-adsorption module 1, enters inlet chest 2.Electro-adsorption module 1 has obtained regeneration.
The producing water ratio of electro-adsorption desalination system reaches more than 75%, and the desalination rate reaches more than 80%, guarantees the long-term continuous and steady operation of electrical adsorption desalting device.
According to mode of connection and the function of embodiment 1, referring to accompanying drawing 3.
Difference is:
1. the rear row's step among the energising working process a 3., when absorption desalination step when 2. output water technical indicator approaches a certain set(ting)value that exceeds standard, in the situation that continues water flowing, energising, technical hydrochloric acid is injected the electro-adsorption module, the water behind the hydrochloric acid is injected in control, just be full of the electro-adsorption modular system, and till not being exhausted from system; And with the pH value scope control of electro-adsorption modular system between 4.0～5.0; With the injection hydrochloric acid while, output water normally enters and produces water tank 6; After hydrochloric acid is filled with the electro-adsorption modular system, stop water flowing, cut off the electricity supply, enter discharge and leave standstill technological process.
2. among the short circuit regenerative process c, save intermediate water tank B 12
C short circuit regenerative process
1. primary recycling step
By time variable control, start the water that regenerative pump A 8 extracts from intermediate water tank A 11, for after the backwash electro-adsorption module 1, enter dense water tank 7;
2. secondary recycling step
By time variable control, start the water that regenerative pump B 9 extracts from inlet chest 2, for after the backwash electro-adsorption module 1, enter intermediate water tank A1; Electro-adsorption module 1 has obtained regeneration.
The producing water ratio of electro-adsorption desalination system reaches more than 75%, and the desalination rate reaches more than 80%, guarantees the long-term continuous and steady operation of electrical adsorption desalting device.
Claims (1)
1. an electro-adsorption demineralization water treatment device is characterized in that comprising electro-adsorption module ⑴, inlet chest ⑵, working barrel ⑶, sour water case ⑷, acid adding pump ⑸ produces water tank ⑹, dense water tank ⑺, regenerative pump A ⑻, regenerative pump B ⑼, regenerative pump C ⑽, intermediate water tank A ⑾, intermediate water tank B ⑿; Specifically the mode of connection at described each parts of electro-adsorption demineralization water treatment device is as follows:
Electro-adsorption module ⑴ and inlet chest ⑵, working barrel ⑶, acid adding pump ⑸, product water tank ⑹, dense water tank ⑺, regenerative pump A ⑻, regenerative pump B ⑼, regenerative pump C ⑽, intermediate water tank A ⑾, intermediate water tank B ⑿ directly connects by pipeline; Inlet chest ⑵ is connected with working barrel ⑶, also is connected with regenerative pump B ⑼; Sour water case ⑷ is connected with acid adding pump ⑸; Intermediate water tank B ⑿ is connected with regenerative pump C ⑽; Intermediate water tank A ⑾ is connected with regenerative pump A ⑻.
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| CN 201220128473 CN202785761U (en) | 2012-03-30 | 2012-03-30 | Electric adsorption and desalting water treating device |
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| CN 201220128473 CN202785761U (en) | 2012-03-30 | 2012-03-30 | Electric adsorption and desalting water treating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645511A (en) * | 2019-10-11 | 2021-04-13 | 中国石油化工股份有限公司 | Organic matter-containing wastewater desalting and recycling device, process and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645511A (en) * | 2019-10-11 | 2021-04-13 | 中国石油化工股份有限公司 | Organic matter-containing wastewater desalting and recycling device, process and application |
| CN112645511B (en) * | 2019-10-11 | 2022-08-12 | 中国石油化工股份有限公司 | Organic matter-containing wastewater desalting and recycling device, process and application |
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